C. (Christian) Hammer

2004 – 2006                 

Master Medicine, University of Groningen, NL

1999 - 2004                 

Bachelor Medicine, University of Groningen, NL

1998 - 1999                 

VWO (pre-university education), Deltion College, Zwolle,  NL         

1992 - 1998                 

VWO (pre-university education), Carolus Clusius College, Zwolle, NL

2015 – to date             

Radiation-oncologist, department Radiotherapy, University Medical Centre Groningen, NL

2009 – 2015                 

Internship, department Radiotherapy, , University Medical Centre Groningen, NL

2006 – 2009                 

IVF doctor, department Gynecology, University Medical Centre Groningen, NL

Radiation-induced fibrosis in the boost area after three-dimensional conformal radiotherapy with a simultaneous integrated boost technique for early-stage breat cancer: A multivariable prediction model.                                                              Hammer, C., Maduro, J.H., Bantema-Joppe, E.J. et al. Jan 2017; Radiotherapy and Oncology, 122, 1, p.45-49.

Effectiveness of indometacin to prevent ovulation in modified natural-cylce IVF: A randomized controlled trial.                                                                                         Rijken-Zijlstra. T.M., Haadsma. M.L., Hammer. C. et al. Sep 2013; Reproductive Biomedicine Online, 27, 3, p.297-304.

2019     3rd Internation Symposium on Proton Therapy, Madrid, Spain

Proton therapy in Head and Neck Tumors

2019     Summer School Oncology, Vienna, Austria

Presentation: Radiotherapy of prostate cancer

Presentation: Proton therapy

2019     16th International Congress for Medical Students and Young Docters,                    Iasi, Romenia

Presentation: Protons - The Newest Soldiers in the Battle against Cancer

2018     4th Belgian Hadron Therapy Consortium Leuven, Belgium

Presentation: The Model Based Approach

2018     PTCOG, Cincinnati, US

Presentation: Selection criteria for particle therapy

2017     PTCOG, Tokyo, Japan

Presentation: Selection criteria for particle therapy.

2017     National commitee of Physics, Groningen, The Netherlands

Presentation: Introduction of proton therapy in The Netherlands.

2016     Seminar Skandion Clinic Uppsala, Sweden

Presentation: Model-based approach for patient selection for proton therapy.

2015     3rd ESTRO forum, Barcelona

Presentation: Prognostic factors for fibrosis after radiotherapy with an integrated boost for the treatment of breast carcinoma.

2008     24th Annual Meeting of the European Society for Human Reproduction and Embryology, Barcelona

Presentation: The effectiveness of indomethacin to prevent ovulation in modified natural cycle IVF, a randomised controlled trial.

2008     The Second World Congres of the International Society for Mild Approaches in Assisted Reproduction, Londen

Presentation: IVF-lite: Modified natural cycle IVF/ICSI as standard care.

2007     Meeting National Association for Fertility , Amsterdam

Presentation: IVF in the modified natural cycle, an alternative for hyperstimulation?